Michael Wilding
— Philip Trent
Margaret Lockwood
— Margaret Manderson
Orson Welles
— Sigsbee Manderson
John McCallum
— John Marlowe
Miles Malleson
— Burton Cupples
Hugh McDermott
— Calvin C. Bunner
Jack McNaughton
— Martin
Sam Kydd
— Inspector Murch
Kenneth Williams
— Horace Evans
Geoffrey Bayldon
— Reporter in Court
Ernest Blyth
— Concert Attendee
Robert Cawdron
— Police Constable
John Chandos
— Tim O'Reilly
Anthony Collins
— Conductor
Henry Edwards
— Coroner
Eileen Joyce
— Pianist
Ben Williams
— Jimmy - Reporter